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Finding the Fourth Proportional to 364,522.70, 509,150.80 and 364,522.70

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Solution

The fourth proportional to 364,522.70, 509,150.80 and 364,522.70 is: 509,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,522.70 : 509,150.80 = 364,522.70 : x
  2. Step 2: Convert to fraction form
    364,522.70/509,150.80 = 364,522.70/x
  3. Step 3: Cross multiply
    364,522.70x = 509,150.80 × 364,522.70
  4. Step 4: Simplify right side
    364,522.70x = 185,597,024,323.16
  5. Step 5: Solve for x
    x = 185,597,024,323.16/364,522.70
  6. Step 6: Final answer
    x = 509,150.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.